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Description
Beatrice LH4 - Dante/AES67 Visual Indicator LightThis device uses Audinates Ultimo Chipset, which can receive 4 incoming audio channels, each at 48kHz. However, this chipset can only receive these 4 audio channels from a maximum of 2 network locations (2 different devices). This is common with any manufacturer that uses this chipset. The Glensound Beatrice LH4 provides audio signal present and call indication via a bright LED lighthouse tower, providing 360 degrees of visual signalling. The Beatrice
This device uses Audinate’s Ultimo Chipset, which can receive 4 incoming audio channels, each at 48kHz. However, this chipset can only receive these 4 audio channels from a maximum of 2 network locations (2 different devices). This is common with any manufacturer that uses this chipset.The Glensound Beatrice LH4 provides audio signal present and call indication via a bright LED ‘lighthouse’ tower, providing 360 degrees of visual signalling.
The Beatrice LH4 is ideal for providing cue/ on air indication to presenters and hosts using the standard Dante/AES67 network. The bright lighthouse LED tower can be set to illuminate on receipt of either an audio signal or a Beatrice 20kHz call signal from any of its 4 network audio inputs. Different colours/ brightness can be set by the user to be associated with each channel.
To make it easy to send audible instructions to the users an internal speaker and balanced XLR audio output are also included that through the configuration menu can pass audio from the Dante/AES67 network if required.
The Beatrice LH4 is in a compact unit with a bright lighthouse tower for signalling. There is an onboard configuration screen and it is PoE powered.
Trigger On Audio (Solid Colour)
Each of the 4 channels can be set individually to turn on the Lighthouse LEDs when they receive an audio signal. The length of time that the Lighthouse LEDs stay illuminated after the audio signal drops below its triggering threshold is user configurable.
Trigger On Call (Flash)
Each of the 4 channels can be set individually to flash the Lighthouse LEDs when they receive a Beatrice Call signal. The length of time that the Lighthouse LEDs continue to flash after the call signal has been received is user configurable.
Choice of Colours
Each channel can have its own Lighthouse LED illumination colour set by the user from any of the following colours: Red, Green, Blue, Yellow, Purple or Orange.
Two Brightness Levels
To allow the LH4 to work well in your environment there are two preset brightness levels allowing it to be seen in natural daylight and a studio setting.
Four Incoming Channels
The LH4 can receive incoming audio/ call circuits on up to 4 Dante/ AES67 channels. Each channel can have its own colour set to illuminate the lighthouse when it receives a trigger (be that audio or a call).
PLEASE NOTE: The LH4 uses the Ultimo chipset from Audinate and it can receive 4 audio channels but these can only be from a maximum of two network locations.
Tally/ Confidence Dante Audio Output Channel
So that the network location that has originated the call/sent audio to the LH4 can be confident that the LH4 has responded to its command and has turned on the lighthouse LEDs, a network audio output is provided. This output will send a repeating on/off tone when the LEDs are flashing for a call and a steady tone when the LEDs are illuminated for audio presence.The originator then only needs to monitor this outgoing network circuit to know that the LH4 has correctly responded.
Front Panel Display
A small backlight display is incorporated on the front panel to allow the user to access the settings menu. The backlight is only illuminated on this display when in setup mode.
PoE Powered
For ease of installation just one network cable provides both power (PoE) and audio to the LH4.
Internal Loudspeaker
A small loudspeaker is built into the LH4.The 4 incoming audio circuits are mixed together and sent to this loudspeaker with the front panel rotary encoder acting as a volume control. This small loudspeaker can be very useful for sending a verbal instruction to the user of the device. However to prevent accidental operation the internal loudspeaker can also be disabled in the setup menu.
Balanced Audio Output
The 4 incoming audio circuits are mixed together and sent to a balanced analogue output on standard 3 pin XLRs on the rear of the unit. This means that the LH4 could be used as a Dante/ AES67 to analogue converter/ mixer, but this output is more likely be used for sending monitoring audio to the users.
Network Audio Output
In addition to the tally/confidence network output, the audio that is being sent to the balanced analogue output is also duplicated and sent as a network output.
DC Loop Output
This DC loop output (GPO) is fed from an internal open collector. It becomes active when a call is received on any of the 4 channels.
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4.7 ★★★★★
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Product Reviews
★★★★★ 1
Kinda flimsy…
Thought the assembly was metal, it’s some kind of PVC.
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Reviewed in the United States on September 22, 2025
★★★★★ 5
Great references book.
Format: Hardcover
Excellent book for medical reference and refresh of knowledge.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
A Wonderful Update To A Great Old Reference Book!
Format: Hardcover
It's the Merck Manual! If you know medicine but are aware you don't know EVERYTHING about EVERYTHING! (Few if any do!) This is a wonderful reference. If you have no medical knowledge and think this will make you know what doctors know. Don't waste your money. You have to have a basic understanding for this to be helpful. This is a wonderful update to an old favorite.
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Reviewed in the United States on July 16, 2025
★★★★★ 5
The most current and inclusive medical reference available mid-2018.
Format: Hardcover, Format: Hardcover
Here’s the review I wrote for the 19th edition on 2011: I've been getting and using the Merck Manual for over 30 years to answer questions about disease for family and friends (pediatrics through geriatrics) as well as preparing to ask germane questions of physicians responsible for care of family and friends. It is comprehensive in its coverage of the etiology, diagnosis, treatment and prognosis of diseases of the human body and contains the latest research results on the treatment options. It's really not that difficult for the layman to understand the medical terminology and the result is factual understanding of the major aspects of disease which you will NOT get from the standard home health care books from Johns Hopkins, Harvard, Mayo Clinic, the AMA or even the Merck Home Health handbook. And, unlike the Merck Manual, these books directed to the laity do not contain the diagnostic information upon which physicians decide precisely what disease they are presented with. Yes, there will be much superfluous information which you may never use, but, when you want and need the information about a specific disease, here's where you should start your education.
The same holds true for the updated 2018 20th edition. I neglected to mention that this manual also contains a plethora of ancillary information including thorough sections on pediatrics, geriatrics, injuries, bites and stings, patient care, alternative medicine, dietary supplements, rehabilitation, normal test values and even legal issues such as advance directives. Yup, it’s pricey, but it’s always proved to be valuable to me.
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Reviewed in the United States on June 15, 2018
★★★★★ 5
Great reference book
Format: Hardcover
If you only have one medical resource book in your house, I recommend this one. Very thorough book.
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Reviewed in the United States on March 3, 2026
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